| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 18 | BKK | HKG | 16:06 | 19:20 |
En-Route
|
Track > |
| Aug 17 | BKK | HKG | 15:57 | 19:16 |
Landed
|
Track > |
| Aug 16 | BKK | HKG | 15:59 | 19:22 |
Landed
|
Track > |
| Aug 15 | BKK | HKG | 18:55 | 19:45 |
En-Route
|
Track > |
| Aug 14 | BKK | HKG | 16:12 | 19:33 |
Landed
|
Track > |
| Aug 13 | BKK | HKG | 15:47 | 19:20 |
Landed
|
Track > |
| Aug 12 | BKK | HKG | 15:57 | 19:11 |
Landed
|
Track > |
| Aug 11 | BKK | HKG | 16:33 | 19:50 |
Landed
|
Track > |
| Aug 10 | BKK | HKG | 16:47 | 20:09 |
Landed Late
|
Track > |
| Aug 09 | BKK | HKG | 16:04 | 19:31 |
Landed
|
Track > |
United Airlines Flight UA821 connects Bangkok, Thailand to Hong Kong, Hong Kong, taking off from Bangkok Suvarnabhumi Airport BKK and landing at Hong Kong International Airport HKG.
How long is the UA821 flight from Bangkok to Hong Kong?
The average flight time from Bangkok to Hong Kong is 2 hours and 21 minutes. The flight distance is 1689 km / 1050 miles and the average flight speed is 704 km/h / 437 mph.
How many UA821 flights are operated per week?
7 flights per week. The flight UA821 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA821 Bangkok to Hong Kong?
The Airportia On-Time Performance Rating for United Airlines Flight UA821 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA821 arriving at?
Flight UA821 arrives at Hong Kong International Airport (HKG) Terminal 1.
When was the latest UA821 flight?
The latest flight took off on Tuesday, August 18th, 2026 with the flight status being En-Route on 19:20.
How else can the flight UA821 be referenced as?
This United Airlines flight can also be referenced as UAL821, UA0821, UA 821, UAL 821.
How often is flight UA821 delayed?
On average, 20% of all UA821 flights are delayed. The average delay is 14 minutes.
See our UA821 Flight Tracker above for more details.
Other flights departing from Bangkok BKK: VJ800, VZ962, VZ108, CZ3082
Other flights arriving at Hong Kong HKG: HB321, HX776, HO1291, HX247
All flights connecting Bangkok BKK to Hong Kong HKG.